Overview
The OPA2244EA/250G4, produced by Texas Instruments, is a dual operational amplifier (op-amp) designed for low quiescent current and high performance. This device is part of the OPA2244 series, which includes the OPA244 (single) and OPA4244 (quad) versions. The OPA2244EA/250G4 is ideal for battery-powered and portable instrumentation due to its low power consumption and compact packaging.
It operates from a single supply voltage range of +2.2V to +36V or dual supplies from ±1.1V to ±18V, making it versatile for various applications. The device is stable in unity gain and maintains excellent performance across its specified limits.
Key Specifications
| Parameter | Condition | Min | Max | Units | |
|---|---|---|---|---|---|
| Input Offset Voltage (VOS) | VS = ±7.5V, VCM = 0 | ±0.7 | ±1.5 | ±2 | mV |
| Input Bias Current (IB) | VCM = VS/2 | -10 | -25 | -25 | nA |
| Gain-Bandwidth Product (GBW) | - | - | 430 | - | kHz |
| Slew Rate (SR) | G = 1 | -0.1 | 0.16 | - | V/µs |
| Settling Time 0.01% (10V Step) | - | - | 150 | - | µs |
| Overload Recovery Time | VIN • Gain = VS | - | - | 8 | µs |
| Quiescent Current (per amplifier) (IQ) | IO = 0 | 40 | 50 | 60 | µA |
| Specified Temperature Range | - | -40 | - | 85 | °C |
| Operating Temperature Range | - | -55 | - | 125 | °C |
| Package Type | - | - | - | MSOP-8 | - |
Key Features
- Low Quiescent Current: 50µA per channel, making it suitable for battery-powered devices.
- Wide Bandwidth: 430kHz gain-bandwidth product.
- Wide Supply Range: Operates from single supply (+2.2V to +36V) or dual supplies (±1.1V to ±18V).
- Unity Gain Stability: Stable in unity gain configurations.
- Compact Packaging: Available in MSOP-8 surface mount package.
- High Channel Separation: 140dB channel separation for minimal crosstalk.
- Full Temperature Range Specified: Specified from –40°C to +85°C and operates from –55°C to +125°C.
Applications
The OPA2244EA/250G4 is suitable for a wide range of general-purpose applications, including:
- Battery-powered and portable instrumentation.
- Single-supply and dual-supply systems.
- Audio and signal processing circuits.
- Medical devices and diagnostic equipment.
- Industrial control and automation systems.
It is particularly useful where low power consumption and compact size are critical.
Q & A
- What is the quiescent current per channel of the OPA2244EA/250G4?
The quiescent current per channel is 50µA.
- What is the gain-bandwidth product of the OPA2244EA/250G4?
The gain-bandwidth product is 430kHz.
- What are the operating voltage ranges for the OPA2244EA/250G4?
The device operates from a single supply of +2.2V to +36V or dual supplies from ±1.1V to ±18V.
- Is the OPA2244EA/250G4 stable in unity gain configurations?
Yes, the device is stable in unity gain configurations.
- What is the typical input offset voltage of the OPA2244EA/250G4?
The typical input offset voltage is ±1.5mV.
- What is the channel separation of the OPA2244EA/250G4?
The channel separation is 140dB.
- What are the temperature ranges for which the OPA2244EA/250G4 is specified and operates?
The device is specified from –40°C to +85°C and operates from –55°C to +125°C.
- What package types are available for the OPA2244EA/250G4?
The device is available in MSOP-8 surface mount package.
- How does the OPA2244EA/250G4 handle capacitive loads?
The device can handle capacitive loads; see the typical performance curves for details.
- Is the OPA2244EA/250G4 sensitive to electrostatic discharge (ESD)?
Yes, the device is sensitive to ESD and requires appropriate handling precautions.
